Alloy



Patented May 1 5 1923.

ARTHUR S. HYMAN, 0F NEWARK, NE? JERSEY.

ALLOY.

No Drawing.

To all whom it may concern:

Be it known that I, ARTHUR S. HYMAN, a citizen of the United States, and a resident of Newark, in the county of Essex and 6 State of New Jersey, have invented new and useful Improvements in Alloys, of which the following is a specification.

This invention relates to a precious-metal alloy which shall have the color and appear- 10 ance of platinum, the objects being to obtain an alloy which can be used in many cases as a substitute for platinum and give the same appearance or effect; to provide such an alloy which shall be composed in a large part of precious metal, such as silver; to thus secure a substantial and valuable alloy which shall be easier to obtain than platinum and to secure other advantages and results as may be brought out by the following description.

The alloy of my invention is composed of silver, copper, zinc and nickel fused together in a molten state, as is common in forming alloys, the more refractory ingreclients being melted first if desired. As to the proportions, I have found the best results obtained by using 58*}-% of silver,

l6?-% of copper, 16 of zinc and S t-i6 nickel, by weight, but since the resulting alloy is sought to be in appearance as close Application filed August 4, 1922.

Serial No. 579,750.

appended claim.

I have found that an alloy can be made as above described which is so similar in appearance to platinum as to be valuable for use as a substitute therefor.

At the same time the alloy is workable and has the other physical qualities necessary. for its use in jewelry, ornaments and the like, such as resisting wear and not tarnishing. Furthermore, the alloy is a precious metal alloy, as opposed to one composed entirely or largely of base metals, and therefore does not unduly cheapen an article in which it is used.

Having thus described the invention, what I claim is An alloy containing substantially 58 silver, l61-% copper, 165, 70 zinc and 8 nickel.

ARTHUR s. HYMAN. 

